link to article
http://www.eweek.com/article2/0,1759,1696931,00.asp
"Both variants are capable of spreading through peer-to-peer networks, as well as via e-mail. Both arrive in e-mail messages with spoofed sending addresses and one of a handful of meaningless subject lines, such as "Re:" "Re: Hello" or "Re: Thank you." The bodies of both variants contain just a single emoticon, and the name of the virus-infected attachment is either "Price," "price" or "Joke.""